-13=-n-7

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Solution for -13=-n-7 equation: 



-13=-n-7

We move all terms to the left:

-13-(-n-7)=0

We add all the numbers together, and all the variables

-(-1n-7)-13=0

We get rid of parentheses

1n+7-13=0

We add all the numbers together, and all the variables

n-6=0

We move all terms containing n to the left, all other terms to the right

n=6

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